131796916 has 12 divisors (see below), whose sum is σ = 231636132. Its totient is φ = 65615168.

The previous prime is 131796911. The next prime is 131796943. The reversal of 131796916 is 619697131.

It can be written as a sum of positive squares in 2 ways, for example, as 67732900 + 64064016 = 8230^2 + 8004^2 .

It is a super-2 number, since 2×131796916² = 34740854134222112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131796911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69775 + ... + 71638.

It is an arithmetic number, because the mean of its divisors is an integer number (19303011).

Almost surely, 2^131796916 is an apocalyptic number.

It is an amenable number.

131796916 is a deficient number, since it is larger than the sum of its proper divisors (99839216).

131796916 is a wasteful number, since it uses less digits than its factorization.

131796916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141650 (or 141648 counting only the distinct ones).

The product of its digits is 61236, while the sum is 43.

The square root of 131796916 is about 11480.2837944016. The cubic root of 131796916 is about 508.9030839238.

The spelling of 131796916 in words is "one hundred thirty-one million, seven hundred ninety-six thousand, nine hundred sixteen".